Question

8.The value of x^2+ y2+ 3xy
when x = -1 and y = 2 is *​

Answer 1

Step-by-step explanation:

just put the values , you will get the ans

Answer 2

given x^2+y^2+3xy

putting x =-1 and y=2, we get

(-1)^2 +(2)^2+3(-1)(2)

=1 + 4 + (-6)

= 5-6

= -1